One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when you can plant bower vine by looking at the USDA zone info for Yakima.

Planting Calendar for Bower Vine

Frost tolerance for bower vine:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant bower vine until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant bower vine in Yakima is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant bower vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bower vine may not have a chance to really do well. You can get started a couple of weeks earlier by starting your bower vine indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Yakima. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Yakima is an average and the actual date of last frost changes from year to year. Half of the time in Yakima you get a frost after April 15 so always be ready to cover your bower vine if you have a late frost.

USDA Zone Info for Yakima

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Yakima

You may be interested in your other planting guides for Yakima.